Review: Fitbit Charge HR

Intro, battery and displayI've been scratching my head for a while trying to figure out how to review the Fitbit Charge HR. In fact, fitness trackers of this kind, from the Garmin Vivosmart to the Jawbone Up, to the ostensibly more sophisticated likes of the Microsoft Band are a very troublesome area.Here's why: on a fairly profound level, the Fitbit Charge HR and its ilk just don't work. Anyone who's used as many as I have in the last few months is aware that their step counting is generally wr